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CHAPTERFIVEkhalaf 63of100ISSUESFOUNDINTHISTEXT
23PLAGIARISM
19%Contextualspelling 4ConfusedWords 3MisspelledWords 1
Grammar 1ArticlesUse(a/an/the) 1
Punctuation 7CommaMisusewithinClause
6PunctuationinCompound/ComplexSentences 1
SentenceStructure 3IncompleteSentence 3
Style 5PassiveVoiceMisuse 3WordySentence 2
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CHAPTERFIVEkhalafCHAPTERFIVEConclusionsandSuggestionforFutureWork5.1ConclusionsInthisdissertation,differentmethods(singleandtwo)sourcesDOAestimationhavebeeninvestigatedusingsimulationandpracticalexperiments.The
methodssuchas ,MUSIC,EVandclassicalmethodsuchasFFTmethodhave
.Theperformanceandresultsobtainedbythesemethods .
Inaddition,FFTsuffersfromhighsidelobesduetothewindowingofthedata.Thesidelobesmaymaskweaksignals.Onotherhand,thealgorithmsprovidegoodresultswithhighresolutionandlowsidelobesforshortdatasample.Thedisadvantageof
algorithmsisthattheyaremathematicallymorecomplicatedandconsumemoretimeinDOAestimation.Thisproblemmaybe
becauseallmoderncomputersarehigh-speedincomputation.The
resolvesbetweentwosourceswithdifferencebetweenanglesof
andgoodestimationforsource.The
methodhasbetterperformancethanFFTmethodinrecognizingbetweensourceswhenthedataissmallandhassmallersidelobethanFFTmethod.The
methodissomewhatlimitedinitsusefulnessbecauseitassumespriceknowledgeofthenumberofcomplex
superresolution 1 PHD 2
beenused 3
arecompared
4AlthoughtheFFTmethodissimpleandeasytocompute,itrequireslongdata,highdifferencesbetweenanglesofsources,andhighSNRtoresolvebetweentwoadjacentsourcesandlocatethesourceinrightdirectionbecauseitislowresolutionmethod.5
superresolution 6
superresolution 7
overcomed 8
PHD 9 small 10arrival, 11
PHD 12
PHD 13
1 Possiblyconfusedword: superresolution 2 [ ]PHD Ph.D.
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3 Passivevoice4 Passivevoice5 Wordiness
6 Possiblyconfusedword: superresolution
7 Possiblyconfusedword: superresolution
8 [ ]overcomed overcome Misspelledword:overcomed
9 [ ]PHD Ph.D. Incorrectpunctuationwithatitle
10 [ small or small]a the Missingarticle11 [arrival ],
Incorrectuseofcomma12 [ ]PHD Ph.D. Incorrectpunctuation
withatitle13 [ ]PHD Ph.D. Incorrectpunctuation
withatitle
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Page3of3exponentialsinthesignal.TheMUSICmethodhasaverysmall(negligible)sidelobeaswellasitsabilitytoresolvesmalldifferencebetweenanglesofarrivals.TheMUSICmethodisbetterthanbothFFTandPisarenkomethods,whereitresolvesminimumdifferencebetweentheanglesamongallmethods.TheEVmethodgivesaccurateDOAestimationandnegligiblesidelobe.
thesidelobesaremoreflatness,lessspuriouspeaks,thanthatofMUSICmethod.
dissertation,onecan
5.2SuggestionforFutureWork
Usingbetterenvironmenttocanceltheeffectofechos.
Also 14
Fromthepracticalresultsthat inthis
arepresented 1615 concludethattheFFT
methodfailedtolocatetheDOAforsinglesourceintheaccuratedirection.Thehigh-resolutiontechniquesestimatedtheDOAwithsmallerrorcomparedtoFFT
andthisisoneoftheadvantagesofthesetechniquesoverFFTmethod.method
18
IntwosourcesDOAestimation,theFFTmethodfailedtoresolvebetweentwosources
17whenthedifferenceissmallandhasahighsidelobelevel,whilethehigh-resolutiontechniquesrecognizebetweentwosourceswithsmallerrorinresolutionandlowsidelobelevel.
19,20
Theuseofmicrowavefrequency.21Usingdifferentwavelength(frequencies).22
TheuseofsmallsizedultrasonictransducersthatallowtouseULAwithoutusingscanningreceiver.23
14 [Also ], Missingcommaafterintroductoryphrase
15
Unoriginaltext:9wordsarticle.sapub.org/10.5923.j.ajsp.20140402.02.html
16 Passivevoice17 Unoriginaltext:58words
article.sapub.org/10.5923.j.ajsp.20140402.02.html
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article.sapub.org/10.5923.j.ajsp.20140402.02.html
21 Sentencefragment22 Sentencefragment
23 Sentencefragment
